TABLE I:

The default hyperparameters.

Hyperparamter	Value
GGT Network Architecture (channels)	[256, 256, 128]
Number Neighbor nodes $K$	30
Initial Learning rate	1e-3
Maximum Epochs	100
Optimizer	ADAM
Batch size (b)	4
PE dimension	32
weight decay	1e-6
${\text{λ}}_1$	$1/\left(b{n}_{\mathcal{V}}{d}_{pe}\right)$
${\text{λ}}_2$	$0.01/\left(b{n}_{\mathcal{V}}{d}_{pe}\right)$